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  2. Nmap - Wikipedia

    en.wikipedia.org/wiki/Nmap

    Nmap is used for network reconnaissance and exploitation of the slum tower network. It is even seen briefly in the movie's trailer. The command Nmap is widely used in the video game Hacknet, allowing to probe the network ports of a target system to hack it. In Snowden, Nmap is used in the aptitude test scene about 14 minutes into the movie.

  3. Banner grabbing - Wikipedia

    en.wikipedia.org/wiki/Banner_grabbing

    Banner grabbing is a technique used to gain information about a computer system on a network and the services running on its open ports. Administrators can use this to take inventory of the systems and services on their network.

  4. Idle scan - Wikipedia

    en.wikipedia.org/wiki/Idle_scan

    Idle scan on an open port An idle scan is a TCP port scan method for determining what services are open on a target computer [ 1 ] without leaving traces pointing back at oneself. This is accomplished by using packet spoofing to impersonate another computer (called a " zombie ") so that the target believes it's being accessed by the zombie.

  5. File-system permissions - Wikipedia

    en.wikipedia.org/wiki/File-system_permissions

    When a file with setuid is executed, the resulting process will assume the effective user ID given to the owner class. This enables users to be treated temporarily as root (or another user). The set group ID, setgid, or SGID permission. When a file with setgid is executed, the resulting process will assume the group ID given to the group class ...

  6. FTP bounce attack - Wikipedia

    en.wikipedia.org/wiki/FTP_bounce_attack

    FTP bounce attack is an exploit of the FTP protocol whereby an attacker is able to use the PORT command to request access to ports indirectly through the use of the victim machine, which serves as a proxy for the request, similar to an Open mail relay using SMTP.

  7. Hidden file and hidden directory - Wikipedia

    en.wikipedia.org/wiki/Hidden_file_and_hidden...

    In DOS systems, file directory entries include a Hidden file attribute which is manipulated using the attrib command. Using the command line command dir /ah displays the files with the Hidden attribute. In addition, there is a System file attribute that can be set on a file, which also causes the file to be hidden in directory listings.

  8. User Account Control - Wikipedia

    en.wikipedia.org/wiki/User_Account_Control

    Chrome's and Firefox's installer ask for admin rights during install, if given, Chrome will install in the Program Files folder and be usable for all users, if denied, Chrome will install in the %APPDATA% folder instead and only be usable by the current user. The Microsoft Store. The folder of the installer and its sub-folders.

  9. Port scanner - Wikipedia

    en.wikipedia.org/wiki/Port_scanner

    However, if a UDP packet is sent to a port that is not open, the system will respond with an ICMP port unreachable message. Most UDP port scanners use this scanning method, and use the absence of a response to infer that a port is open. However, if a port is blocked by a firewall, this method will falsely report that the port is open. If the ...